208544245

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 321351408

約数和(自身を除く): 112807163

約数列:

[1, 5, 7, 13, 35, 41, 49, 65, 91, 205, 245, 287, 455, 533, 637, 1435, 1597, 2009, 2665, 3185, 3731, 7985, 10045, 11179, 18655, 20761, 26117, 55895, 65477, 78253, 103805, 130585, 145327, 327385, 391265, 458339, 726635, 851201, 1017289, 2291695, 3208373, 4256005, 5086445, 5958407, 16041865, 29792035, 41708849, 208544245]

約数ペア:

[(1, 208544245), (5, 41708849), (7, 29792035), (13, 16041865), (35, 5958407), (41, 5086445), (49, 4256005), (65, 3208373), (91, 2291695), (205, 1017289), (245, 851201), (287, 726635), (455, 458339), (533, 391265), (637, 327385), (1435, 145327), (1597, 130585), (2009, 103805), (2665, 78253), (3185, 65477), (3731, 55895), (7985, 26117), (10045, 20761), (11179, 18655)]